The Circulatory System

The circulatory system has the major function of circulating blood that transports oxygen and nutrients throughout the body. Major organs are the lungs, heart, and blood vessels. The functional unit are the red blood cells. Red Blood Cell Mammals have a closed circulatory system called the cardiovascular system. The heart has one or two atria, [...]

The Muscular System

Hey everyone! This is the first stem talks post in our series of posts about body systems! This is going to be a good one so kick back, relax, enjoy the sunlight, and get ready to learn! 😀 The muscular system is one of the most important fiber systems in the animal body. The system [...]